Changes in Delay Discounting, Time estimation ability and the role of Trauma in Addicted Patients during Initial treatment

• Conditions: Addiction and trauma; Addiction; trauma

• Registration Number: NL-OMON49471
• Lead Sponsor: Erasmus Universiteit Rotterdam

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 9 April 2024

Recruitment & Eligibility

• Status: Pending
• Sex: Not specified
• Target Recruitment: 167

Inclusion Criteria

Patients
1. Age 18-65 year;
2. Substance use disorder
3. Willingness to participate in the study (informed consent procedure);
4. Motivation to persist in abstinence of substances

Healthy Controls
1. Age 18-65 year;
2. Matched on age, origin, education and sex with patients
3. No diagnosis of substance use disorder or psychiatric illness.
4. Willingness to participate in the study (informed consent procedure)

Exclusion Criteria

Patiënten
1. IQ < 80 and inability to read, speak, or write Dutch
2. Homelessness
3. Acute psychotic disorder

Healthy controls
1. substance use disorder (assessed by questionnaire and DSM criteria)

Study & Design

• Study Type: Observational non invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>This study will show the differences in patients between study intake and phase<br /><br>1 completion of treatment for delay discounting, time estimation ability and<br /><br>PTSD. A significant change would indicate that such variable has improved as a<br /><br>result of / or is strongly associated with treatment outcomes.<br /><br><br /><br>Furthermore, this study will show degree of differences between healthy<br /><br>controls and addicted patients in delay discounting and time estimation. </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>These outcomes are focused on improving diagnostics:<br /><br><br /><br>Individual psychological variables at intake that are associated with<br /><br>abstinence at end of treatment.<br /><br>Assessment of delay discounting (at intake) as a valid predictor of<br /><br>treatment-drop out.<br /><br>Analysis of the association of Trauma associated with delay discounting.</p><br>